Reviewed By Kurt L (Espanola, NM) Reviewed for a 2004 GMC Sonoma —10/21/2008 6:21 PM
Mileage increase of 15% (20 up to 23 mpg) after first tank of fuel. Performance way up too. Love it.
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Reviewed By Dennis G (Fremont, WI) Reviewed for a 2008 Volkswagen Beetle —6/18/2018 8:08 PM
Although the Spector filter drops into the air filter box, the perimeter rectangle is not straight on all sides. Also the top frame is a semi-hard rubber that has a raised lip that is not as smooth a fit as the factory version which has a soft foam gasket.